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| 奥斯瓦尔德黏度计 | |||
| 奥斯特瓦尔德粘度计 | |||
| 奥氏黏度计; 奥斯特瓦尔德黏度计 | |||
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Ostwald viscometer : 9 phrases in 3 subjects |
| Metallurgy | 1 |
| Plastics | 2 |
| Technology | 6 |
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